static class TextureImporterFactory
{
    public static ITextureImpoter Create()
    {
        ITextureImpoter importer = null;
#if UNITY_WEBGL
        importer = new TextureImporterWebGL();

#elif UNITY_ANDROID
        importer = new TextureImporterAndroid();
#else
        importer = new TextureImporterDefault();
#endif
        return importer;
    }
}
